Condenser.



No. 67|,a4lj Patented Apr. 9, 190|. A. SNYDER. honneussn.

(Application led June 9, 1900. (No Model.) 2`Shaets-$heet l.

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CONDENSER.

(Application led June 9,'1900.)

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UNITED STATES PATENT OFFICE.

AUGUST SNYDER, OF ALLEGHENY, PENNSYLVANIA.

CONDENSER.

SPECIFICATION formingpart of Letters Patent No. 671,841, dated April 9,1901. Application filed June 9, 1900. `Serial No. 19 ,747. (No model.)

To all whom, it may concern:

Be it known that I, AUGUST SNYDER, a citizen of the United States,residing at Allegheny, in the county of Allegheny and State ofPennsylvania, have invented certain new and useful Improvements inCondensers; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

My invention has relation to the condensation of steam and other vapors,and has for its object the provision of an apparatus for thecondensation of steam and other vapors by the condensing action of abody of water with which the steam from the exhaust of a steam-engine orthe like is brought into contact, the Water being forced from a sourceof supply by a suitableA apparatus to the upper end of a stand-pipe intowhich the steam is drawn, the condensed steam and Water dropping downthe stand-pipe, whereby a vacuum is formed, tending to forcibly suck thesteam from the exhaust of the engine or other apparatus with which thecondenser is connected, thereby greatly increasing the efficiency ofsaid apparatus.

In apparatus of the class above referred ro it has been found necessaryin order to produce the best effect to draw off from the steam and waterany air which may be carried into the condenser with the steam andwater; and my invention has for its especial object the provision ofnovel means for eecting the removal of all the air from the steam and'water, so as to produce as nearly perfect a Vacuum as possible.

My invention has for its further object the provision of `novel meansfor preventing any steam or Water from being drawn from the condenserinto the air-pump which is employed to draw off the air from thecondenser.

My invention consists in the novel construction, combination, andarrangement of parts hereinafter described and claimed.

Referring to the accompanying drawings, Figure l is an elevation of acondenser embodying my improvements and showing the air-pump andwater-elevating appliances. Fig. 2 is a vertical 4sectional View of thecondenser alone, and- Fig. 3 is a detached View in section of a part ofthe apparatus shown in Fig. 2.

A designates the exhaust-pipe leading from the exhaust of an engine or anumber of engines or from other apparatus to the condenser. The pipe Ahas an elbow B near its top, that is connected to the top of acondensing-chamber C.

D designates the Water-d elivery pipe, which is connected to aWater-elevating apparatus, such as a rotary pump E, receiving motionfrom an engine F.

A Water-induction pipe G leads to the rotary pu mp E from a-reservoir H,supplied with cold water from any suitable source.

The water-delivery pipe D has a branch I, that connects with an elbow J,passing into the elbow B of the exhaust A, the elbows J and B being,preferably, a single casting -formed with suitable langesifor connectionwith the pipes I A and the condenser-chamber C.

At the upper end of the water-delivery pipe D an air-chamber K isarranged, and at a point below the lateral branch I a supplementarycondenser L is arranged, the purpose of which is to condense any steamthat may be drawn off with the air from the condenser C. Thesupplementary condenser L consists of the concentric cylindrical Wallslm and the interior pipe n, which is arranged centrally in thesupplementary condenser, a spi` ral space o being formed by means of aspiral rib p. On the inner surface of the wall m a pipe g leads from thelower end of the spiral passage p into the main condenser C, and a pipefr leads from the upper end of the spiral passagep to the air-exhaustpipe M.

The elbow J of the lateral branchl of the water-delivery pipe terminateswithin the condenserchamber C in a funnel -shaped mouth N, and below themouth N is a suspended bell O., having an upturned lip o, the bell Obeing sustained upon a rod I), which has a screw-thread on its upper endthat Works through a nut Q, which is turned by meshing bevel-gears R S.The bell O has a bushing T at its center, which receives a vertical pipeU, branching from the pipe q, the

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"a lsmall supplementary chamber lo is arrar'iged and is connected by acoupling V with the air-suction pipe M. l A downwardly-opening Valve Wis arranged between the air-cham'` ber K and the supplementaryair-chamber lc, and the stem of the valve W has on its upper` end asmall upwardly-opening valve w, while a float QJ is attached to thebottom of said valve W.

Y designates the tail-pipe leading from the bottom of thecondenser-chamber C into the hot-well Z, and y designates a smalldrainpipe leading from the pipe q to the tail-pipe Y, said pipe y beingprovided for the purpose of leading into the tail-pipe any water thatmay be produced by the condensation of steam in the spiral passage p.

X designates a vacuum-pump or dry-air pump, which is operated from thesteam-engine 'E and serves to draw the air from the condenser throughthe air-pipe M.

Operation: The engine F being in operation, the vacuum-pump X sucks theair from the condenser through the air-suction pipe M, and the engine Falso drives the rotary pump E, which takes water from the cold well Hand forces it up the water-delivery pipe D and into thecondenser-chamber C through the lateral branch I and the elbow J. Thewater issuing from the -elbow J through the funnel-mouth N falls uponthe bell O and striking the lip o is spread and falling over the lip anddown the sides of the condenserchamber C passes into the tail-pipe Y.The steam from the exhaust-pipe A passing into the condenser-.chamber Cthrough the elbow B meets the water flowing from the funnelmouth N and over the bell O and is rapidly condensed by the water and in itscondensed state falls in to the tail-pipe Y. As the water from the pumpE passes up the delivery-pipe Y D the air is separated from the same andaccumulates in the air-chamber K, from whence4 it is drawn olf throughthe open valve W into the air-suction pipe M. Any air that mayaccumulate in the condenser-chamber B will be drawn off from under thebell O by the pipe U and pass through'pipe q to the spiral passage p andup through the latter, where any steam that may be mixed with it will becondensed by the cold walls of the spiral passage p and conveyed to thetail-pipe through drain-pipe y, and the dry air will pass to theair-suction pipe M through the piper.

The air-chamber K, it will be noticed, is above the highest point of thecondenserchamber C and of the water-delivery pipe D.,

and hence any air that maybe drawn in with the water or that mayaccumulate in the condenser-chamber will rise into the chamber K, fromwhence it will be drawn off by the airsuction pipe M. The location ofthe airchamber K at a point above the highest point of thewater-delivery pipe and the air-condenser constitutes an importantfeature of novelty, and by lneans ot' the supplementary condenser L anyair that may ind its way into the condenser C and which is drawn otIthrough the pipe U from beneath the bell O is separated from any steamthat may be drawn oiwith it by the condensation of the latter in thespiral passage p and drawn into the air-suction pipe through the pipefr.

If for any reason the water-supply through the delivery-pipe D shouldbecome excessive and the watershould rise in the `air-chamber K, thefloat fu will rise with the' water and close the valve W, thuspreventing any water from getting into the air-suction pipe M. At thesame time that the valve W is closed by the rising of the tioat QJ thevalve w will be opened and air admitted at that point, so

as to break the air-Vacuum and allow the A valve W to open when thewater sinks in the air-chamber K.

The condenser-chamber C has bolted to its lower end a chamber C ofsomewhat smaller diameter than the chamber O, and the tailpipe Y isbolted to the lower end ofthe chamber C. The purpose of the chamber C isto receive part of the standing water from the tail-pipe, and it isprovided in order to reduce the agitation of the water in the tail-pipeby providing an enlarged surface greater than that of the tail-pipe, asotherwise the fluctuation of the water in the tail-pipe would produce aIiuctuation of the vacuum.

It will be observed that there are two distinct passages for the air tothe suction-pipe, one being directly through the air-chamber K and theother from below the bell through pipe U and branch q, thence throughthe supplementary condenser L, and from there to the air-suction pipe Mthrough the pipe r, thus passing from beneath the bell in thecondenser-chamber and wholly outside the airchamber to the air-suctionpipe. The advantage of this arrangement is that if the valve W is closedby the rising of Water in the air-chamber there will still\be a freepassage of air from thecondenser-chamber to the airsuction pipe.

Having described my invention, I claim-A 1. In a condenser, thecombination with a condenser-chamber, a tail-pipe leading therefrom, anexhaust-pipe leading into said chamber, and a water-pipe leading intothe same, the exhaust and water pipes both leading into thecondenser-chamber from above and the water-pipe being centrally locatedwith relation to the steam-pipe and having a water distributing orspreading device consisting of a bell having an upturnedoutwardly-flaring lip arranged below its mouth, substantially asdescribed.

2. In a condenser, the combination with a condenser-chamber, and exhaustand Waterdelivery pipes leading thereto, of a supplementary condensingapparatus comprising concentric walls and a spiral passage, said lOO IIO

passage being connected with the condenserchamber, and an air-suctionpipe and located Wholly within the water-delivery pipe, substantially asdescribed.

3. In a condenser, the combination with a condensing-chamber, atail-pipe and exhaust and Water-delivery pipes leadinginto saidcondensing-chamber from above the top thereof of an air-chamber locatedon the water-delivery pipe above its point of connection with thecondensing-chamber, an air-suction pipe connected to said chamber, alioat in said airchamber, and a valve arranged between the airsuctionpipe and the air-chamber and connected to said float and adapted to beclosed by the rise of water in the air-chamber, substantially asdescribed.

4. In a condenser, the combination with a condensing-chamber andwater-delivery pipe leading thereto and having an air-chamber at itsupper end, 0f an air-suction pipe leading into the top of saidair-chamber, a valve 10- cated between the air-chamber and theairsuction pipe, a second valve leading from the air-suction pipe to theouter air, and a float connected to both said valves and adaptedtooperate the same so as to shut o the passage from the air-chamber to theair-suction pipe and to open a passage from the air-suction pipe to theopen air when the Water rises in said air-chamber, substantially asdescribed.

5. In a condenser, the combination with a condenser-chamber, exhaust andwater-delivery pipes leading thereto, and a bell within said chamber, ofan air-chamber located on the water-delivery pipe, an air-suction pipeconnected to said air-chamber, and an independent pipe leading frombeneath the bell in the condenser-chamber to the air-suction pipe andwholly outside of the said air-chamber, substantially as described.

6. In a condenser, the combination with a condensing-chamber, atail-pipe and exhaust and water-delivery pipes leading into saidcondensing-chamber, Aof a water-distributing device consisting of ahollow bell having an upturned edge and an air-suction pipe leading intosaid chamber and having an npturned end projecting into the hollow ofthe bell, substantially as described.

In testimony whereof I have affixed my signature in presence of twoWitnesses.

AUGUST SNYDER.

Witnesses:

EDMUND B. PATTERSON, B. Z. LEIPART.

